#include <fstream>
using namespace std;
int v[100001];
int main()
{
    ifstream f("sum.in");
    ofstream g("sum.out");
    int n,x,i,j;
    long long y;
    for (i=1;i<=100001;++i)
        v[i]=2*(i-1);
    for (i=2;i*i<=100001;++i)
        for (j=2*i;j<=100001;j+=i)
            v[j]-=v[i];
    f>>n;
    for (i=1;i<=n;i++)
    {
        f>>x;
        y=x*v[x];
        g<<y<<'\n';
    }
    f.close();
    g.close();
    return 0;
}